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Product Overview
The Bently Nevada 3500/42 140471-01 Preamplifier Earthquake Monitor is a specialized module designed for continuous seismic activity monitoring in industrial facilities. It is part of the Bently Nevada 3500 Machinery Protection System, providing precise vibration measurement and analysis to detect earthquake-induced mechanical stress. This module works with compatible seismic transducers to preamplify low-level signals, ensuring high-accuracy detection before sending them to processing units for alarm or shutdown actions. It is crucial in environments where seismic events can jeopardize safety and operational integrity, offering reliable performance in compliance with industrial monitoring standards.
Key Features
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Designed for seismic and earthquake monitoring applications
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High-sensitivity preamplifier for low-level vibration signals
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Compatible with Bently Nevada seismic transducers
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Continuous monitoring for safety-critical operations
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Built-in diagnostics for reliable performance
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Fast response time for early earthquake event detection
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Rugged industrial-grade construction for harsh environments
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 3500/42 |
| Part Number | 140471-01 |
| Module Type | Preamplifier Earthquake Monitor |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Function | Amplifies seismic signals for earthquake detection |
| Compatible Sensors | Bently Nevada seismic/vibration transducers |
| Frequency Range | Optimized for seismic monitoring applications |
| Input Signal Range | Low-level vibration signals |
| Output Signal | Conditioned and amplified signal to processing module |
| Diagnostics | Continuous self-check and fault monitoring |
| Power Supply | Via 3500 rack backplane |
| Operating Temperature | -30°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 0% to 95% non-condensing |
| Dimensions | 241.3 x 24.4 x 241.8 mm |
| Weight | 0.91 kg |
| Certifications | CE, CSA, ATEX (depending on configuration) |
Industry Applications
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Oil & gas refineries and offshore platforms
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Petrochemical manufacturing facilities
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Nuclear and thermal power plants
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Water treatment plants in seismic regions
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Mining operations with vibration sensitivity
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Heavy industrial plants in earthquake-prone areas
Frequently Asked Questions (FAQ)
Q1: What is the function of the 3500/42 140471-01 module?
It amplifies low-level signals from seismic sensors for accurate earthquake monitoring and detection.
Q2: Can it be used for general vibration monitoring?
While it is optimized for seismic detection, it can process low-frequency vibration data, but its design is primarily for earthquake monitoring.
Q3: How is the module powered?
It is powered through the 3500 rack backplane, requiring no separate external power.
Q4: Does it require a specific sensor?
Yes, it must be paired with compatible Bently Nevada seismic transducers.
Q5: Can it trigger alarms or shutdowns directly?
It sends processed signals to the 3500 system, which then handles alarm and shutdown logic.
Q6: Is it suitable for hazardous locations?
Yes, certain configurations have ATEX or CSA certifications for hazardous area use.
Q7: Does it have self-diagnostics?
Yes, it continuously monitors its own status and can report faults to the 3500 system.
Q8: What environments is it designed for?
It is built for industrial environments that are prone to seismic activity.
Q9: Can it be hot-swapped?
Yes, it can be replaced without shutting down the entire 3500 system.
Q10: What is the typical installation location?
It is installed in a Bently Nevada 3500 rack alongside other monitoring modules.
Related Modules
| Model Number | Description |
|---|---|
| 3500/40 | Proximitor® Monitor |
| 3500/45 | Position Monitor |
| 3500/50 | Tachometer Module |
| 3500/53 | Overspeed Detection Module |
| 3500/70 | Temperature Monitor |
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